Home / 1,250,947,694.52-1,726,274,950.70-686,430,841.86

Finding the Fourth Proportional to 1,250,947,694.52, 1,726,274,950.70 and 686,430,841.86

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Solution

The fourth proportional to 1,250,947,694.52, 1,726,274,950.70 and 686,430,841.86 is: 947,256,526.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,947,694.52 : 1,726,274,950.70 = 686,430,841.86 : x
  2. Step 2: Convert to fraction form
    1,250,947,694.52/1,726,274,950.70 = 686,430,841.86/x
  3. Step 3: Cross multiply
    1,250,947,694.52x = 1,726,274,950.70 × 686,430,841.86
  4. Step 4: Simplify right side
    1,250,947,694.52x = 1,184,968,367,687,398,912
  5. Step 5: Solve for x
    x = 1,184,968,367,687,398,912/1,250,947,694.52
  6. Step 6: Final answer
    x = 947,256,526.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.